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MLD Flammable

MLD gas detectors

 
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    • UPDATED !
    Manufacturer: GVZ Components

    Gas Leakage detector for flammable gases

      • No field calibration
      • No cross sensitivity
      • Long lifetime 15+ years
      • Fail safe (built-in diagnostic)
      • Flammable gases concentration 0-100% LEL
      • Built-in T and Rh compensation
      • Immune to poisoning
      • Operating range -40° to 70° C, 0-100% Rh
      • Modbus, 2x Relays and 2x Analogue Output (ALL IN ONE)
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    More questions?

    +39 02 3340 0846 or Contact us

    Questions?

    +39 02 3340 0846
    or Contact us

    Description

    flammable gas detector

    Molecular Leakage Detector for flammable gas based on ultimate MPS™ technology.

    This flammable gas detector is a unique solution using the latest MPS™ (Molecular Property Spectrometry) technology to indicate the presence of flammable gases providing both a continuous signal proportional to the gas concentration and the activation via relay for alarming once a prefixed (and settable) level is reached.
    It combines all the advantages of MPS™ technology as in terms of long lifetime, no field calibration, built-in environmental compensation, no poisoning, wide temperature operating range and durability with a dedicated electronic board for easy interfacing the common control units thanks to the multiple outputs: Modbus, 2x Relays and 2x Analogue Output (ALL IN ONE).

    SENSOR PERFORMANCES
    Technology Molecular Property Spectrometry™ by NevadaNano
    Gas detected butane, ethane, hydrogen, isobutane, isobutylene, isopropanol, methane,
    methyl ethyl ketone, octane, pentane, propane, propylene, toluene, xylene
    Response Time <12 sec.
    Response Time (T90) <20 sec.
    Resolution 0,1% LEL
    Lifetime 15+ years
     
    List of Detectable gas
    Based on MPS sensor on board the MLD can detect the following gas with the range and accuracy as indicated below
    MLD Gas ref. code Gas Type
    (Refrigerant Code)    		 Measuring Range Resolution ACCURACY

    UL 60335-2-40
    Accuracy ≤25 %LEL @ 20 °C - 50 %RH

    ISO 817 /ASHRAE 34
    Accuracy @25%LEL
    guaranteed across full environmental range

    ISO 10156
    Accuracy 0-50 %LEL
    guaranteed across full environmental range
    F6

    Flammables, 
    Methane, Butane, Ethane, Isobuthane, Isobutylene,  Isopropanol, MethylEthylKetone, Octane, Pentane, Propane, Propylene, Toluene, Xylene

    		 3-100% LEL 0.1% LEL --  --

    ±3% LEL Methane

    ±5% LEL Ethane-Butane-Isobutane-Isobutilene-MethylEthylKetone-Propylene

    ±7% LEL Pentane-Propane

    ±12% LEL Octane-Isopropanol-Toluene - Xylene

    New gases are under continuous development and they will be added to new MLD versions.
    Please check our website for further updates.
     

    OPERATING FEATURES

    Signals Output

    Gas concentration, Temperature, Humidity, Pressure, Status, Prealarm, Alarm, Fault, Lifetime

    Measurament Output

    Digital: Modbus (RS-485) - Analog: 4-20mA - Analog: 0.1-2.9V
    Dry Contacts: 2x Alarm Relays (LOW conc. -  HIGH conc./FAULT)

    Visual Information

    Visual: 3x LEDs (Status / Alarm1 / Alarm2 / Fault)

    Supply Voltage

    12-24VDC ±10%

    Power Consumption

    Avg. 50mA
    Peak: 60mA (12VDC) | 80mA (24VDC)

    Operating Temperature

    -40° to +70°C (12VDC) | -40° to +60°C (24VDC)

    Operating Humidity

    0 - 100% RH

    Operating Pressure

    80 to 120 kPa

    Protection grade

    IP65

    Dimensions MLD-S4

    13.0 x 8.0 x 4.0 cm

    Dimensions MLD-MN

    13.0 x 8.0 x 2.5 cm

    Certifications & Approvals

    CE, EMC, Rohs,  EN60079-0, EN60079-11, ATEX
    SIL1/2 conformity according to EN50402 / IEC 50271 / IEC 50270 / IEC61508 pending
       
    Carbon Footprint:
    The CO2 equivalent emissions in the production of a single MLD device is 1,588 kg.
    The carbon footprint of the MLDs is calculated by using the cradle-to-gate LCA (Life Cycle Assessment) method.
    This means that the system boundary include all greenhouse gas emissions that occur from the input of raw materials (cradle) to the end of the product’s production (gate).

    Documentation